["Description:\r\n\r\nFeatures:\r\nbrand new and high quality.\r\nDeep groove ball bearings.\r\nThese bearings are pre-lubricated with grease.\r\nSelection of metal material, good quality, long life.\r\nSmooth operation, low friction, high performance and long life.\r\nApplications: skateboards, roller blade, inline skating, scooter, rollerblade. \r\nPlease confirm it is the correct size the bearing you are looking for.\r\n\r\nSpecifications: \r\nModel: 608ZZ\r\nMaterial: Chrome Steel\r\nColor: Gray\r\nSize: 8mm×22mm×7mm\r\nInner Diameter: 8mm\r\nOuter Diameter: 22mm\r\nThickness: 7mm\r\nSuitable For: 3D printer\r\nQuantity: 1 Set(10Pcs) (other accessories demo in the picture is not included)\r\n\r\nNote: \r\n1.Transition: 1cm=10mm=0.39inch\r\n2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\r\n3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage includes:\r\n10 X 608ZZ Bearing (No retail package)"]